diff --git a/slpkg/queries.py b/slpkg/queries.py
index 32216dd2..4ae220e8 100644
--- a/slpkg/queries.py
+++ b/slpkg/queries.py
@@ -43,7 +43,7 @@ class SBoQueries:
             return location[0]
         return ''
 
-    def sources(self) -> str:
+    def sources(self) -> list:
         """ Returns the source of a slackbuild. """
         source, source64 = self.session.query(
             SBoTable.download, SBoTable.download64).filter(
@@ -78,7 +78,7 @@ class SBoQueries:
             return version[0]
         return ''
 
-    def checksum(self) -> str:
+    def checksum(self) -> list:
         """ Returns the source checksum. """
         mds5, md5s64 = self.session.query(
             SBoTable.md5sum, SBoTable.md5sum64).filter(